hextra/layouts/_partials/scripts/search.html

{{/* Search */}}
{{- if (site.Params.search.enable | default true) -}}
  {{- $searchType := site.Params.search.type | default "flexsearch" -}}
  {{- if eq $searchType "flexsearch" -}}
    {{- $jsSearchScript := printf "%s.search.js" .Language.Lang -}}
    {{- $jsSearch := resources.Get "js/flexsearch.js" | resources.ExecuteAsTemplate $jsSearchScript . -}}
    {{- if hugo.IsProduction -}}
      {{- $jsSearch = $jsSearch | minify | fingerprint -}}
    {{- end -}}

    {{- $flexSearchBase := "" -}}
    {{- $useDefaultCdn := true -}}
    {{- with site.Params.search.flexsearch.base -}}
      {{- $flexSearchBase = . -}}
      {{- $useDefaultCdn = false -}}
    {{- end -}}

    {{- $flexSearchJsAsset := "" -}}
    {{- with site.Params.search.flexsearch.js -}}
      {{- $flexSearchJsAsset = . -}}
    {{- end -}}

    {{- /* If only js is set without base, use local asset loading. */ -}}
    {{- if and $useDefaultCdn (ne $flexSearchJsAsset "") -}}
      {{- $useDefaultCdn = false -}}
    {{- end -}}

    {{- $bundleSuffix := cond hugo.IsProduction ".min" ".debug" -}}
    {{- if $useDefaultCdn -}}
      {{- $flexSearchVersion := site.Params.search.flexsearch.version | default "0.8.143" -}}
      {{- $flexSearchBase = printf "https://cdn.jsdelivr.net/npm/flexsearch@%s/dist" $flexSearchVersion -}}
    {{- end -}}

    {{- $isRemoteBase := or (strings.HasPrefix $flexSearchBase "http://") (strings.HasPrefix $flexSearchBase "https://") -}}
    {{- if $isRemoteBase -}}
      {{- $jsPath := cond (ne $flexSearchJsAsset "") $flexSearchJsAsset (printf "flexsearch.bundle%s.js" $bundleSuffix) -}}
      {{- $flexSearchJsUrl := urls.JoinPath $flexSearchBase $jsPath -}}
      {{- with try (resources.GetRemote $flexSearchJsUrl) -}}
        {{- with .Err -}}
          {{- errorf "Could not retrieve FlexSearch js file from %s. Reason: %s." $flexSearchJsUrl . -}}
        {{- else with .Value -}}
          {{- with resources.Copy "js/flexsearch.js" . -}}
            {{- $flexSearchJs := . | fingerprint -}}
            <script defer src="{{ $flexSearchJs.RelPermalink }}" integrity="{{ $flexSearchJs.Data.Integrity }}" crossorigin="anonymous"></script>
          {{- end -}}
        {{- end -}}
      {{- end -}}
    {{- else if $flexSearchJsAsset -}}
      {{- with resources.Get $flexSearchJsAsset -}}
        {{- $flexSearchJs := . | fingerprint -}}
        <script defer src="{{ $flexSearchJs.RelPermalink }}" integrity="{{ $flexSearchJs.Data.Integrity }}" crossorigin="anonymous"></script>
      {{- else -}}
        {{- errorf "FlexSearch js asset not found at %q" $flexSearchJsAsset -}}
      {{- end -}}
    {{- else if not $useDefaultCdn -}}
      {{- errorf "FlexSearch local loading requires params.search.flexsearch.js when using non-remote base %q" $flexSearchBase -}}
    {{- end -}}

    <script defer src="{{ $jsSearch.RelPermalink }}" integrity="{{ $jsSearch.Data.Integrity }}"></script>
  {{- else -}}
    {{- warnf `search type "%s" is not supported` $searchType -}}
  {{- end -}}
{{- end -}}